Working product with sustainable legacies

box.h

@@ -22,7 +22,7 @@ enum box_type {
 struct box {
     enum box_type type;
     enum ui_color color;
-    double fills;
+    unsigned int fills;
 
     union {
         /* button */
@@ -47,4 +47,5 @@ struct box *new_chart_box(struct chart *);
 
 void append_box(struct box *parent, struct box *child);
 
-void draw_box(struct box *, double x, double y, double width, double height);
+void draw_box(struct box *, unsigned int x, unsigned int y, unsigned int width,
+    unsigned int height);